Flexible stretcher



FIG. 1 is a front view of a flexible stretcher showing my new design;

FIG. 2 is another front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken line showing of a person in FIG. 1 is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a flexible stretcher, as shown and described. 